* fix bug with one track and count-in

admin/app/admin/jam_tracks.rb

@@ -5,6 +5,8 @@ ActiveAdmin.register  JamRuby::JamTrack, :as => 'JamTracks' do
   config.sort_order = 'name_asc'
   config.batch_actions = false
 
+  filter :name
+  filter :original_artist
   filter :genres
   filter :status, :as => :select, collection: JamRuby::JamTrack::STATUS
 

ruby/lib/jam_ruby/jam_track_importer.rb

@@ -1031,7 +1031,7 @@ module JamRuby
           precount_num = precount.to_i
         end
 
-      elsif comparable_filename.include?("master mix") || comparable_filename.include?("mastered mix") || (@metadata[:id] && comparable_filename.start_with?(@metadata[:id].downcase))
+      elsif comparable_filename.include?("master mix") || comparable_filename.include?("mastered mix") || (@metadata && (@metadata[:id] && comparable_filename.start_with?(@metadata[:id].downcase)))
         master = true
         type = :master
       else

ruby/lib/jam_ruby/resque/jam_track_mixdown_packager.rb

@@ -534,8 +534,11 @@ module JamRuby
       speed = @settings['speed'] || 0
 
 
+      real_count = @track_settings.count
+      real_count -= 1 if @include_count_in
+
       # if there is only one track to mix, we need to skip mixing (sox will barf if you try to mix one file), but still divide by number of tracks
-      if @track_settings.count == 1
+      if real_count <= 1
         mix_divide = 1.0/@track_count
         cmd = "sox -v #{mix_divide} \"#{@track_settings[0][:volumed_file]}\" \"#{@mix_file}\""
         cmd(cmd, 'volume_adjust')